SN 2734 then EC 1746 at Brussels
Zurich → Brussels → Nice
Timetable, Brussels time
18:50SN 2734 from Zurich at the gate
13:30EC 1746 to Nice leaves the gate
18 h 40 apart on the timetable, overnight
EC 1746 leaves 18 h 40 after SN 2734 arrives on the timetable: more than half a day, so not a connection we count.